Add a testcase for load short -> uint, which is currently emitted as a

zextload + sign_extend_inreg rather than a sextload.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22852 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGen/PowerPC/lha.ll

@@ -0,0 +1,9 @@
+; RUN: llvm-as < %s | llc -march=ppc32 | grep lha
+; XFAIL: *
+
+uint %test(short* %a) {
+entry:
+    %tmp.1 = load short* %a
+    %tmp.2 = cast short %tmp.1 to uint
+    ret uint %tmp.2
+}